Massey Ferguson 06.00.19 – TRANS1: Issue With Signal From PTO 1000 ECO Button Dyna VT (TRANS1)
Issue description
The transmission control system is receiving an invalid, missing, or out-of-range electrical signal from the button used to engage the 1000 ECO (Economy) Power Take-Off (PTO) speed.
Applies to these machines
22 machines- 7720S
- 7724S
- 7716
- 7720
- Tier 4 (2015-2021)
- 7718
- 7722
- 7722S
- 7715S
- 7718S
- 7715
- 7726
- 7719
- 7714
- 7724
- 7716S
- 7726S
- 5600
- 6600
- 6700
- 7600
- 8700
Check the cause
Inspect the PTO 1000 ECO button on the cab console for physical damage, sticking, or debris preventing clean contact.
Access the back of the switch and check the electrical connector for loose pins, moisture, or corrosion.
Use a multimeter to test the switch for proper continuity when pressed and an open circuit when released.
Trace the wiring harness from the PTO switch to the TRANS1 module, looking for chafed wires, breaks, or shorts to ground/power.
Use a diagnostic tool to monitor the TRANS1 module's live data and verify if it registers the switch state changing when toggled.
Repair steps
Turn off the tractor ignition and disconnect the negative battery cable to prevent electrical shorts.
Turn off the tractor ignition and disconnect the negative battery cable to prevent electrical shorts.
Carefully remove the trim or retaining screws on the side console/armrest panel where the PTO command switches are housed.
Carefully remove the trim or retaining screws on the side console/armrest panel where the PTO command switches are housed.
Lift the panel to access the wiring behind the switches.
Lift the panel to access the wiring behind the switches.
Disconnect the electrical wiring harness connector from the back of the faulty PTO 1000 ECO switch.
Disconnect the electrical wiring harness connector from the back of the faulty PTO 1000 ECO switch.
Depress the plastic retaining tabs on the sides of the switch body and push it upward/outward to remove it from the console panel.
Depress the plastic retaining tabs on the sides of the switch body and push it upward/outward to remove it from the console panel.
Snap the new OEM PTO switch into the panel until the retaining clips lock into place.
Snap the new OEM PTO switch into the panel until the retaining clips lock into place.
Reconnect the wiring harness to the new switch, ensuring the connector clicks securely.
Reconnect the wiring harness to the new switch, ensuring the connector clicks securely.
Reinstall the console panel and reconnect the battery.
Reinstall the console panel and reconnect the battery.
Use a diagnostic tool to clear the 06.00.19 fault code.
Use a diagnostic tool to clear the 06.00.19 fault code.
Start the tractor and test the PTO 1000 ECO function to verify the repair.
Start the tractor and test the PTO 1000 ECO function to verify the repair.
Parts you might need
(6)PTO Command Switch
4355770M3Widely used across 5700, 6600, 6700, 7600, 7700, and 8700 Dyna VT series
Rocker PTO Switch
ACW1529170Alternative switch style for 5600-8700 series
PTO Command Switch
4284629M1PTO Switch
4296050M1Push Button
S.169982Sparex aftermarket alternative
Momentary Switch
S.170369Sparex aftermarket alternative
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